diff --git a/themes/webkit/index.html b/themes/webkit/index.html
index b0cb0d4..2e14365 100644
--- a/themes/webkit/index.html
+++ b/themes/webkit/index.html
@@ -18,7 +18,8 @@ td
 
 password_prompt = false;
 selected_user = null;
-time_remaining = 0
+time_remaining = 0;
+lightdm = lightdm || {};
 
 function show_prompt(text)
 {
@@ -74,13 +75,13 @@ function reset()
    password_prompt = false;
 }
 
-loading_text = ''
+loading_text = '';
 
 function throbber()
 {
    loading_text += '.';
    if (loading_text == '....')
-       loading_text = '.'
+       loading_text = '.';
    label = document.getElementById('countdown_label');
    label.innerHTML = loading_text;
    setTimeout('throbber()', 1000);
@@ -126,7 +127,7 @@ function provide_secret()
 function countdown()
 {
    label = document.getElementById('countdown_label');
-   label.innerHTML = ' in ' + time_remaining + ' seconds'
+   label.innerHTML = ' in ' + time_remaining + ' seconds';
    time_remaining--;
    if (time_remaining >= 0)
        setTimeout('countdown()', 1000);
@@ -138,9 +139,9 @@ for (i in lightdm.users)
    user = lightdm.users[i];
 
    if (user.image.length > 0)
-      image = user.image
+      image = user.image;
    else
-      image = 'file:///usr/share/icons/gnome/32x32/stock/generic/stock_person.png'
+      image = 'file:///usr/share/icons/gnome/32x32/stock/generic/stock_person.png';
 
    document.write('<tr id="user_' + user.name +'"onclick="start_authentication(\'' + user.name + '\')" style="cursor: pointer;">');
    document.write('<td><img width="48px" height="48px" src="' + image + '" /></td>');